Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751278AbaKZKAg (ORCPT ); Wed, 26 Nov 2014 05:00:36 -0500 Received: from mail-yh0-f49.google.com ([209.85.213.49]:55669 "EHLO mail-yh0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750834AbaKZKAd (ORCPT ); Wed, 26 Nov 2014 05:00:33 -0500 MIME-Version: 1.0 In-Reply-To: References: <1416918346-2442-1-git-send-email-r.baldyga@samsung.com> <1416918346-2442-2-git-send-email-r.baldyga@samsung.com> <54748A87.4040500@samsung.com> Date: Wed, 26 Nov 2014 15:30:32 +0530 Message-ID: Subject: Re: [PATCH 1/2] dma: pl330: improve pl330_tx_status() function From: Padma Venkat To: r.baldyga@samsung.com Cc: Vinod Koul , dan.j.williams@intel.com, lars@metafoo.de, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Marek Szyprowski , l.czerwinski@samsung.com Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Robert, I tested your patches on exynos5420 peach-pit with audio playback and got some underrun error. I posted a similar patch in the below link. https://patchwork.kernel.org/patch/5384551/ Please do review the same. Thanks Padma > On 25.11.2014 13:25, Robert Baldyga wrote: >> This patch adds possibility to read residue of DMA transfer. It's useful >> when we want to know how many bytes have been transfered before we >> terminate channel. It can take place, for example, on timeout interrupt. >> >> Signed-off-by: Lukasz Czerwinski >> Signed-off-by: Robert Baldyga >> --- >> drivers/dma/pl330.c | 61 >> ++++++++++++++++++++++++++++++++++++++++++++++++++++- >> 1 file changed, 60 insertions(+), 1 deletion(-) >> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/